Mechanical hydraulic tandem type drilling machine power head propelling device and control method thereof von XIONG ZHONGGANG, ZHANG MINGXUN, LIU ZHONG, AMAKURA, ZHANG XU, LUO GANG, LUOSANGDA WA, GONG DONGCHANG, CHEN SHUN, LIU HUAFENG, LEE WON-JU, ZHAO QINGBIN, WANG GANG, LI HUIXIAN, CHEN ZHONG, LIU LIXUN, GUO YANJUN, ZHANG HONGKAI

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Coupling mechanism for power output of diesel engine von XIONG ZHONGGANG, ZHANG MINGXUN, LIU ZHONG, AMAKURA, ZHANG XU, LUO GANG, LUOSANGDA WA, GONG DONGCHANG, CHEN SHUN, LIU HUAFENG, LEE WON-JU, ZHAO QINGBIN, WANG GANG, LI HUIXIAN, CHEN ZHONG, LIU LIXUN, GUO YANJUN, ZHANG HONGKAI

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Large-diameter drill rod anti-deflection supporting device of hydraulic drilling rig von XIONG ZHONGGANG, ZHANG MINGXUN, LIU ZHONG, AMAKURA, YI JIANSHAN, ZHOU DAN, ZHANG XU, LUO GANG, LUOSANGDA WA, GONG DONGCHANG, CHEN SHUN, LIU HUAFENG, LEE WON-JU, ZHAO QINGBIN, LYU YONG, WANG GANG, LI HUIXIAN, CHEN ZHONG, LIU LIXUN, GUO YANJUN, ZHANG HONGKAI, ZHAO HONGWANG, CAI JINYUN

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Drilling machine power head opening and closing device and hydraulic control method thereof von XIONG ZHONGGANG, ZHANG MINGXUN, LIU ZHONG, AMAKURA, ZHANG XU, LUO GANG, LUOSANGDA WA, GONG DONGCHANG, CHEN SHUN, LIU HUAFENG, LEE WON-JU, ZHAO QINGBIN, WANG GANG, LI HUIXIAN, CHEN ZHONG, LIU LIXUN, GUO YANJUN, ZHANG HONGKAI, CAI JINYUN

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Auxiliary tail rope pulling device of motorized winching machine von XIONG ZHONGGANG, ZHANG MINGXUN, LIU ZHONG, YIN JUNQIANG, YI JIANSHAN, ZHOU DAN, AN NING, LUO GANG, LUOSANGDA WA, GONG DONGCHANG, LIU HUAFENG, LEE WON-JU, ZHAO QINGBIN, LYU YONG, WANG GANG, LI HUIXIAN, CHEN ZHONG, CI RENNIMA, GUO YANJUN, ZHAO HONGWANG, CAI JINYUN, BAO TAO

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